{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["manufacturing process", "material", "machanical property"], "input": "The stress distribution in the reverse directions is more uniform than that in the same directions ."}
{"manufacturing process": [], "material": [], "machanical property": ["stress distribution"]}